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fix(tokens): refresh stale "Opus 4.7" framing to model-neutral + Opus 4.8 anchor

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Fase 4 token-opt, Item 1 of gap-review NEXT STEP #2. The prompt-cache pattern corpus + TOK scanner were frozen at an "Opus 4.7" framing after CC shipped Opus 4.8 (default, 2.1.154) and Fable 5 (2.1.170). Model-era facts re-verified against the official changelog cache before editing.

The patterns are properties of prompt-caching, not of any model, so mechanic text is now model-neutral with a single "current default: Opus 4.8" anchor — preventing a re-freeze at the next model bump.

- rename knowledge/opus-4.7-patterns.md -> prompt-cache-patterns.md (git mv, history preserved); 6 reference sites updated
- TOK scanner: line-318 finding text (human-facing) made model-neutral; header + cache-prefix-scanner + CLI comments refreshed
- configuration-best-practices.md body + footnote 4.7 -> 4.8
- human-facing docs: commands/{tokens,help,manifest}.md, project CLAUDE.md, README, docs/scanner-internals.md
- gap-matrix row marked DONE; future Items 2/3 retargeted to new filename

Failing-test-first (Iron Law): +2 knowledge staleness guards (era-anchor + no-refreeze) +1 scanner assertion (no stale model anchor in finding text). Suite 853 -> 856 green; zero snapshot drift; self-audit A(97) PASS. CHANGELOG / v5 plan / ratified gap-plan keep historical opus-4.7-patterns refs (correct record of past state).

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Ter3E2JSi1Khgmuf2kady8
This commit is contained in:
Kjell Tore Guttormsen 2026-06-18 15:27:36 +02:00
commit 8376dab83f
15 changed files with 66 additions and 40 deletions
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docs/scanner-internals.md
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@ -18,7 +18,7 @@ Scanner CLI: `node scanners/scan-orchestrator.mjs <path> [--global] [--full-mach
| `import-resolver.mjs` | IMP | Broken @imports, circular refs, deep chains, tilde paths |
| `conflict-detector.mjs` | CNF | Settings conflicts, permission contradictions, hook duplicates |
| `feature-gap-scanner.mjs` | GAP | 25 feature checks across 4 tiers — shown as opportunities, not grades |
| `token-hotspots.mjs` | TOK | Cache-breaking volatile content, redundant tool permissions, deep import chains, oversized cascade, bloated SKILL.md descriptions, MCP tool-schema budget (Opus 4.7 patterns) |
| `token-hotspots.mjs` | TOK | Cache-breaking volatile content, redundant tool permissions, deep import chains, oversized cascade, bloated SKILL.md descriptions, MCP tool-schema budget (prompt-cache patterns) |
| `cache-prefix-scanner.mjs` | CPS | Volatile content in lines 31–150 of CLAUDE.md cascade (beyond Pattern A's top-30 window) |
| `disabled-in-schema-scanner.mjs` | DIS | Tools listed in BOTH `permissions.deny` AND `permissions.allow` — deny wins, allow entries are dead config |
| `collision-scanner.mjs` | COL | Cross-plugin skill name collisions (low); user-vs-plugin overlaps (medium); `details.namespaces` payload |
@ -52,7 +52,7 @@ Scanner CLI: `node scanners/scan-orchestrator.mjs <path> [--global] [--full-mach
| `fix-cli.mjs` | CLI: `node fix-cli.mjs <path> [--apply] [--json] [--global]` |
| `drift-cli.mjs` | CLI: `node drift-cli.mjs <path> [--save] [--baseline name] [--json]` |
| `whats-active.mjs` | CLI: `node whats-active.mjs <path> [--json] [--verbose] [--suggest-disables]` — read-only active-config inventory |
| `token-hotspots-cli.mjs` | CLI: `node token-hotspots-cli.mjs <path> [--json] [--global] [--output-file path] [--accurate-tokens] [--with-telemetry-recipe]` — Opus-4.7 token hotspots ranking with optional API calibration |
| `token-hotspots-cli.mjs` | CLI: `node token-hotspots-cli.mjs <path> [--json] [--global] [--output-file path] [--accurate-tokens] [--with-telemetry-recipe]` — prompt-cache token hotspots ranking with optional API calibration |
| `manifest.mjs` | CLI: `node manifest.mjs <path> [--json]` — ranked system-prompt token-source table (v5 N2) |
## Standalone Scanner
@ -67,10 +67,10 @@ Scanner CLI: `node scanners/scan-orchestrator.mjs <path> [--global] [--full-mach
| File | Content |
|------|---------|
| `claude-code-capabilities.md` | Feature register: 18 config surfaces, Anthropic guidance, relevance table |
| `configuration-best-practices.md` | Per-layer best practices (v5: Opus 4.7 cache-stability guidance replaces Sonnet-era 200-line rule) |
| `configuration-best-practices.md` | Per-layer best practices (v5: cache-stability guidance replaces Sonnet-era 200-line rule) |
| `anti-patterns.md` | Common mistakes mapped to scanner IDs |
| `hook-events-reference.md` | All 26 hook events with details |
| `feature-evolution.md` | Feature timeline for staleness detection |
| `gap-closure-templates.md` | Config-specific templates for closing gaps |
| `opus-4.7-patterns.md` | Token-cost dynamics for Opus 4.7 era — patterns powering the TOK scanner |
| `prompt-cache-patterns.md` | Token-cost dynamics (prompt-cache patterns) — patterns powering the TOK scanner |
| `cache-telemetry-recipe.md` | Manual `jq` recipe for verifying prompt-cache hit rate from session transcripts (v5 M7) |